It is a sand dune that is formed at right-angle to the prevailing wind.
A desert dune is a dune formed in a desert
This is a dune formed from salt.
That would be sand dunes
The wind blew sand into a pile and made a tall sand dune.
Sand dunes are formed by the wind.
Sand-dune.
An aeolianite is a form of rock formed from dune sand.
windy
transverse waves
A sand dune is a large sand hill formed by different wind patterns blowing over an area for an extended period of time. Over time, the wind shifts and moves the sand over itself, until it creates a large dune.
Dune